Quadratics - Factoring, Completing the Square, Quad Formula

Factor completely
k² -2k - 24

• (k+4)(k-6)
• (k+4)(k+6)
• (k+6)(k-1)
• (k-4)(k+6)

Solve by Factoring

k²+7x+10

• (k+2)(k+5)

• (k-2)(k-5)

• (k+10)(k+4)

• (k+2)(k-5)

Solve  by factoring
x² + 13x + 12 = 0

• x = -12, -1
• x = 12, 1
• x = 13, 1
• x = -13, -1

To solve by completing the square, what needs to be moved in this equation?
x² = 9 - 4x

• the -4x
• the 9
• the x²

Complete the square.
x² + 6x + ____

• x² + 6x + 9
• x² + 6x - 36
• x² + 6x + 36
• x² + 6x - 9

Complete the square for
x² + 12x + ____

• x² + 12x + 144
• x² + 12x + 36
• x² + 12x - 36
• x² + +12x - 144

Given the perfect square trinomial, identify the equivalent expression

x²-18x+81

• (x-18)²

• (x-9)²

• (x+81)²

• (x+9)²

What is the formula of calculate the new C-term

• C = $\frac{b}{2}$

• C = $\frac{-b}{2a}$

• C = $\left(\frac{b}{2}\right)^2$

• C = $\left(\frac{b}{4}\right)^2$

When factoring  $x^2-10x+25\ =\ 49$  
what goes into the blank   $\left(x-\ldots\right)^2=49$  

• 5

• 10

• 7

• 25

 $b^2-13b=7b-84$  

Solve by completing the square

• b = -14, b= -6

• b= 6, b= 14

• b= -6, b= 14

• b= 6, b= -14